Changes made by Commission Regulation (EEC) No 152/83 of 21 January 1983 accepting an undertaking given in connection with the anti-dumping proceeding concerning polyvinyl chloride originating in Czechoslovakia, terminating the proceeding and lifting the provisional anti-dumping duty: Commission Regulation (EEC) No 2568/82 of 17 September 1982 imposing a provisional anti-dumping duty on imports of polyvinyl chloride resins and compounds originating in Czechoslovakia, and accepting undertakings and terminating the proceeding in respect of imports of such products originating in Romania, the German Democratic Republic and Hungary